<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page, index) of pages"
                    :key="index">
        <div class="icon"
              v-for="item of page"
              :key="item.id">
          <div class="icon-img">
            <img class="icon-img-content" :src="item.imgUrl"/>
            <p class="icon-desc">{{item.desc}}</p>
          </div>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped="">
  @import '~style/varibles.styl'
  @import '~style/mixins.styl'
  .icons >>> .swiper-container
    height :0
    padding-bottom :50%
  .icons
    margin-top : .1rem
    .icon
      position : relative
      overflow : hidden
      float : left
      width : 25%
      height : 0
      padding-bottom : 25%
      .icon-img
        position : absolute
        top : 0
        left : 0
        right : 0
        bottom : .44rem
        box-sizing : border-box
        padding : .1rem
        .icon-img-content
          display :block
          margin :0 auto
          height :100%
      .icon-desc
        text-align :center
        position : absolute
        left : 0
        right : 0
        /*bottom : 0*/
        height : .44rem
        line-height : .44rem
        color : $darkTextColor
        ellipsis()
</style>
